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Cox Engine of The Month
Cox Corsair - No guts no glory
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Cox Corsair - No guts no glory
Ha, Glory! I flew the thing.
First time since I flew a Cox PT-19 in the field beside the house about five years ago with Mark taking pictures of me falling down dizzy drunk.
No Mark this time, used my rinkey stooge instead. This is the same Corsair that had the troubled engine that I sent to Ron, who promptly got it running. So, we replaced the engine and Mark flew it this last Spring. But, it had a 3 blade Wen Prop that wasn't up to the task, so I replaced it with a Cox 5/3.
Mark had to whip it to get it in the air and it flew a lazy round and round. The Cox 5/3 did a much better job, took off after a 10 foot roll and flew actually so well that I attempted a wing over after several circles. Wouldn't you know, the engine quit at the top of the wing-over and became a lawn dart. So did I, falling to my knees but not the prone position I assumed with the PT-19. Shook it off and inspected the pieces. Broken prop but otherwise all is well.
Bench test showed promise, so I set up the stooge.
Straining at the leash. Got to admit, I let it run there about 30 seconds burning off fuel before I let it go.
Net result.
But it's a start.
First time since I flew a Cox PT-19 in the field beside the house about five years ago with Mark taking pictures of me falling down dizzy drunk.
No Mark this time, used my rinkey stooge instead. This is the same Corsair that had the troubled engine that I sent to Ron, who promptly got it running. So, we replaced the engine and Mark flew it this last Spring. But, it had a 3 blade Wen Prop that wasn't up to the task, so I replaced it with a Cox 5/3.
Mark had to whip it to get it in the air and it flew a lazy round and round. The Cox 5/3 did a much better job, took off after a 10 foot roll and flew actually so well that I attempted a wing over after several circles. Wouldn't you know, the engine quit at the top of the wing-over and became a lawn dart. So did I, falling to my knees but not the prone position I assumed with the PT-19. Shook it off and inspected the pieces. Broken prop but otherwise all is well.
Bench test showed promise, so I set up the stooge.
Straining at the leash. Got to admit, I let it run there about 30 seconds burning off fuel before I let it go.
Net result.
But it's a start.
rsv1cox- Top Poster
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Posts : 11307
Join date : 2014-08-18
Location : West Virginia
Re: Cox Corsair - No guts no glory
Way to go Bob!
KariFS- Diamond Member
- Posts : 2046
Join date : 2014-10-10
Age : 53
Re: Cox Corsair - No guts no glory
Good job at putting it back up in the air. No major damage is always good in my books.
NEW222- Top Poster
- Posts : 3896
Join date : 2011-08-13
Age : 46
Location : oakbank, mb
Re: Cox Corsair - No guts no glory
Thanks guys,
Got it cleaned up and back together. Simple Green and Remoil. Replaced the prop with a 3 blade and a new color coordinated rubber band. Also cleaned up the control handle that came with it, also coordinated. Tossed the old oil soaked line which measured just 19' handle to bell-crank. It zipped around pretty good.
Rubber band on these is a pain to attach, slips out all the time during assembly. Cured that by routing it over the prop drive then bringing it down over the wing.
So much easier to attach the band on the Testors Cosmic Wind.
Going to find an original canopy and retire it.
Got it cleaned up and back together. Simple Green and Remoil. Replaced the prop with a 3 blade and a new color coordinated rubber band. Also cleaned up the control handle that came with it, also coordinated. Tossed the old oil soaked line which measured just 19' handle to bell-crank. It zipped around pretty good.
Rubber band on these is a pain to attach, slips out all the time during assembly. Cured that by routing it over the prop drive then bringing it down over the wing.
So much easier to attach the band on the Testors Cosmic Wind.
Going to find an original canopy and retire it.
rsv1cox- Top Poster
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Posts : 11307
Join date : 2014-08-18
Location : West Virginia
Re: Cox Corsair - No guts no glory
Any body got a spare canopy?
I could build one out of balsa or perhaps heat some plastic bottle over a mold, but I would like to keep it stock.
I could build one out of balsa or perhaps heat some plastic bottle over a mold, but I would like to keep it stock.
rsv1cox- Top Poster
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Posts : 11307
Join date : 2014-08-18
Location : West Virginia
rode hard and put away wet Corsair
Just got this very used eBay find cleaned up and ready for flight. The wing needed a .032 music wire JB weld crack repair. The engine was really bad so I cobbled together a horse shoe engine from my private collection and installed it. The fuel system was really bad so I performed a tankectomy and installed a 1/2 oz wedge tank. Engine runs well with the new fuel system so as soon as I get a calm day I will be out
Re: Cox Corsair - No guts no glory
latole wrote:Could you show me a better photo of your system for releasing the plane? I'd like to build one for myself. Thanks
Mine is simply a door latch bolt with a spring and string affair. The string is attached to the model and is released when the latch is pulled, the string remaining on the model. Effective but not a very good design. Do a search, there are better designs posted here.
The Cox Corsair, they are everywhere, they must have sold thousands. This is the same Corsair but now with a balsa canopy, not a very good rendition. Shown with an "up-arrow" Corsair that Kim sent me many years ago. I love the Corsairs, I actually started a real live WW2 example in AN-P school.
rsv1cox- Top Poster
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Posts : 11307
Join date : 2014-08-18
Location : West Virginia
Stooge form stuff I had on hand
I repurposed an old 10 pound wight from defunct weight machine, I took 2 garage door roller brackets and JB welded them on spaced about 1/2 inch apart. There was some round stock with a flattened end with a hole in it with the other end bent at 90 degrees which I cut off as the release pin. I used a spool of mason twine tied to the with the hole. You can use a gutter nail or an old screw driver to make the release pin. And wallah. Using mason twine or .015 music wire I made tail loops for my planes that the rod threaded through. I also JB weeded some tile spacers for gripping. Set on the brackets for tail draggers or set on tile spacers for tricycle.
latole- Gold Member
- Posts : 402
Join date : 2021-03-28
Location : Quebec province
Re: Cox Corsair - No guts no glory
Hey that cox Corsair brings back fond memories,bought one from toys r us in mod1990s when they actually sold good stuff.the kids flew the the crude out of it,a pre ty good flier,the engine lives on.sam
049kid- Moderate Poster
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Join date : 2024-07-02
Re: Cox Corsair - No guts no glory
Roberto! I love this whole adventure!! Congratulations... I like how you describe the whole story from when you started flying until the engine stopped... I can imagine everything...
Thanks for sharing and it's great to see what you're doing, my friend!
Thanks for sharing and it's great to see what you're doing, my friend!
MauricioB- Top Poster
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Location : ARG
latole- Gold Member
- Posts : 402
Join date : 2021-03-28
Location : Quebec province
Re: Cox Corsair - No guts no glory
That’s a good flight story Bob and a good showcase of the Cox Corsair…..I like the “on the deck” photo straining to go…. I had to look it up and see if I could find one flying…..
rdw777- Diamond Member
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Posts : 1763
Join date : 2021-03-11
Location : West Texas
Re: Cox Corsair - No guts no glory
Good going, she flew!
These were what they were. The wheels are just a bit tiny to properly roll on pavement.
I learned that balsa flies better. The profile semi-scale C/L series, Sterling Beginners withstood flight damages well, especially if flown off grass. (The decent stuff, not the New Mexico scrub we call grass. Robert @rdw777 who flies in similar high desert conditions knows very well.
A few have templated and made wood patterns of the RTF, then flew the wood version and spared the plastic version for display.
Not saying anything wrong with your RTF flying by any means, please don't get me wrong.
In high school late 1960's, I had the Corsair's sister, the Cox P-51B turtle deck version.
These were what they were. The wheels are just a bit tiny to properly roll on pavement.
I learned that balsa flies better. The profile semi-scale C/L series, Sterling Beginners withstood flight damages well, especially if flown off grass. (The decent stuff, not the New Mexico scrub we call grass. Robert @rdw777 who flies in similar high desert conditions knows very well.
A few have templated and made wood patterns of the RTF, then flew the wood version and spared the plastic version for display.
Not saying anything wrong with your RTF flying by any means, please don't get me wrong.
In high school late 1960's, I had the Corsair's sister, the Cox P-51B turtle deck version.
GallopingGhostler- Top Poster
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Posts : 5742
Join date : 2013-07-13
Re: Cox Corsair - No guts no glory
Since the landing gear has no suspension, it is not shock-resistant
Yes balsa fly better.
Yes balsa fly better.
latole- Gold Member
- Posts : 402
Join date : 2021-03-28
Location : Quebec province
Re: Cox Corsair - No guts no glory
I enjoyed that video Robert especially the end when the plastic Corsair rattled to a stop. The sound so characteristic of a plastic model airplane landing on a hard surface. Balsa just muffles it's way to a stop.
Got on-line and found a canopy for the Corsair to replace the balsa model I stuck on it.
Looks like the pilot banged his head, Harness not tightened properly I suspect.......
I like this picture as well and I remember the moment. Bouncing around like a kitten eager to play.
While there I made a throw-away bid on this Cox Cessna. I always liked it and wanted one. I bid $36 and it went for $40 something.
Got on-line and found a canopy for the Corsair to replace the balsa model I stuck on it.
Looks like the pilot banged his head, Harness not tightened properly I suspect.......
I like this picture as well and I remember the moment. Bouncing around like a kitten eager to play.
While there I made a throw-away bid on this Cox Cessna. I always liked it and wanted one. I bid $36 and it went for $40 something.
rsv1cox- Top Poster
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Posts : 11307
Join date : 2014-08-18
Location : West Virginia
Re: Cox Corsair - No guts no glory
When I flew Cox airplane with canopy , if I can, I remove it before flying
latole- Gold Member
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Join date : 2021-03-28
Location : Quebec province
latole- Gold Member
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Join date : 2021-03-28
Location : Quebec province
Re: Cox Corsair - No guts no glory
Good job! Effective and it works. Best solution is a pin through the skid or a skid retainer. Much cleaner and the model doesn't have to drag that string around. But it's the same method that I used on my Corsair.
rsv1cox- Top Poster
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Posts : 11307
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Location : West Virginia
Re: Cox Corsair - No guts no glory
rsv1cox wrote:Good job! Effective and it works. Best solution is a pin through the skid or a skid retainer. Much cleaner and the model doesn't have to drag that string around. But it's the same method that I used on my Corsair.
Sorry I don't understand . Do have any picture ?
Thank's
latole- Gold Member
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Join date : 2021-03-28
Location : Quebec province
Re: Cox Corsair - No guts no glory
@latole, I think Bob may have misunderstood your photo of your stooge.
It looks like to me, that you fastened one end of the string to the bottom of the bracket. The other end is tied to the pin. When the pin is pulled, the string end is released, allowing the model slip away from the string to take off. If another angle were photo'd, may show this clearer.
Thus, the string is not tied in a loop to remain with the plane during flight. Am I right?
Bob is referring to the pin being mounted lower, and actually going through a hole in the tail skid or latches the tail wheel, so that a string is not needed.
My stooge works exactly like yours.
It looks like to me, that you fastened one end of the string to the bottom of the bracket. The other end is tied to the pin. When the pin is pulled, the string end is released, allowing the model slip away from the string to take off. If another angle were photo'd, may show this clearer.
Thus, the string is not tied in a loop to remain with the plane during flight. Am I right?
Bob is referring to the pin being mounted lower, and actually going through a hole in the tail skid or latches the tail wheel, so that a string is not needed.
My stooge works exactly like yours.
GallopingGhostler- Top Poster
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Posts : 5742
Join date : 2013-07-13
Re: Cox Corsair - No guts no glory
Yes, yhe small yellow cable stay with the plane in flight.
I may use fishing nylon string, it is smaller.
I don't want to make any hole in the plane
I may use fishing nylon string, it is smaller.
I don't want to make any hole in the plane
latole- Gold Member
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Join date : 2021-03-28
Location : Quebec province
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